<template>
  <div class="xtx-cart-page">
    <div class="container">
      <Bread>
        <BreadItem to="/">首页</BreadItem>
        <BreadItem>购物车</BreadItem>
      </Bread>
      <div class="cart">
        <table>
          <thead>
            <tr>
              <th width="120">
                <check-box
                  :modelValue="$store.getters['cart/isCheckAll']"
                  @change="checkAll"
                  >全选</check-box
                >
              </th>
              <th width="400">商品信息</th>
              <th width="220">单价</th>
              <th width="180">数量</th>
              <th width="180">小计</th>
              <th width="140">操作</th>
            </tr>
          </thead>
          <!-- 有效商品 -->
          <tbody>
            <tr v-if="$store.getters['cart/validList'].length === 0">
              <td colspan="6"><cart-none></cart-none></td>
            </tr>
            <tr
              v-for="item in $store.getters['cart/validList']"
              :key="item.skuId"
            >
              <td>
                <check-box
                  :modelValue="item.selected"
                  @change="($event) => checkOne(item.skuId, $event)"
                />
              </td>
              <td>
                <div class="goods">
                  <RouterLink :to="`/product/${item.id}`"
                    ><img :src="item.picture" alt=""
                  /></RouterLink>
                  <div>
                    <p class="name ellipsis">
                      {{ item.name }}
                    </p>
                    <!-- 选择规格组件 -->
                    <cart-sku
                      :attrsText="item.attrsText"
                      :skuId="item.skuId"
                      @change="($event) => changeCartSku(item.skuId, $event)"
                    ></cart-sku>
                    <!-- <p class="attr">{{ item.attrsText }}</p> -->
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice }}</p>
                <p v-if="item.price - item.nowPrice > 0">
                  比加入时降价
                  <span class="red">&yen;{{ item.price - item.nowPrice }}</span>
                </p>
              </td>
              <td class="tc">
                <number
                  :modelValue="item.count"
                  :max="item.stock"
                  @change="($event) => updateCount(item.skuId, $event)"
                />
              </td>
              <td class="tc">
                <p class="f16 red">
                  &yen;{{ (item.nowPrice * 100 * item.count) / 100 }}
                </p>
              </td>
              <td class="tc">
                <p><a href="javascript:;">移入收藏夹</a></p>
                <p>
                  <a
                    class="green"
                    href="javascript:;"
                    @click="deletedGoods(item.skuId)"
                    >删除</a
                  >
                </p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
          <!-- 无效商品 -->
          <tbody v-if="$store.getters['cart/invalidList'].length > 0">
            <tr>
              <td colspan="6"><h3 class="tit">失效商品</h3></td>
            </tr>
            <tr
              v-for="item in $store.getters['cart/validList']"
              :key="item.skuId"
            >
              <td><check-box style="color: #eee" /></td>
              <td>
                <div class="goods">
                  <RouterLink to="/"
                    ><img :src="item.picture" alt=""
                  /></RouterLink>
                  <div>
                    <p class="name ellipsis">
                      {{ item.name }}
                    </p>
                    <cart-sku
                      :attrsText="item.attrsText"
                      :skuId="item.skuId"
                    ></cart-sku>
                    <!-- <p class="attr">{{ item.attrsText }}</p> -->
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice }}</p>
              </td>
              <td class="tc">{{ item.count }}</td>
              <td class="tc">
                <p>&yen;{{ (item.nowPrice * 100 * item.count) / 100 }}</p>
              </td>
              <td class="tc">
                <p>
                  <a
                    class="green"
                    href="javascript:;"
                    @click="deletedGoods(item.skuId)"
                    >删除</a
                  >
                </p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
        </table>
      </div>
      <!-- 操作栏 -->
      <div class="action">
        <div class="batch">
          <check-box
            :modelValue="$store.getters['cart/isCheckAll']"
            @change="checkAll"
            >全选</check-box
          >
          <a href="javascript:;" @click="batchDeleteCart()">删除商品</a>
          <a href="javascript:;">移入收藏夹</a>
          <a href="javascript:;" @click="batchDeleteCart(true)">清空失效商品</a>
        </div>
        <div class="total">
          共 {{ $store.getters["cart/validTotal"] }} 件商品，已选择
          {{ $store.getters["cart/selectedTotal"] }} 件，商品合计：
          <span class="red">¥{{ $store.getters["cart/selectedPrice"] }}</span>
          <click-btn type="primary" @click="checkout">下单结算</click-btn>
        </div>
      </div>
      <!-- 猜你喜欢 -->
      <GoodRelevant />
    </div>
  </div>
</template>
<script>
import GoodRelevant from "views/goods/components/GoodsRelevant";
import { useStore } from "vuex";
import CartNone from "./components/CartNone.vue";
import Confirm from "components/common/confirm.js";
import Toast from "components/common/toast.js";
import CartSku from "./components/CartSku.vue";
import { useRouter } from "vue-router";
export default {
  name: "Cart",
  components: { GoodRelevant, CartNone, CartSku },
  setup() {
    const store = useStore();
    //单选
    const checkOne = (skuId, selected) => {
      //这里必须通过拿到checkBox发送的数据来进行修改，从而双向绑定
      // console.log(skuId, selected);
      store.dispatch("cart/updateCart", { skuId, selected });
    };
    //全选
    const checkAll = (selected) => {
      store.dispatch("cart/checkAll", selected);
    };
    //删除单个
    const deletedGoods = (skuId) => {
      Confirm({ text: "您确定从购物车删除该商品吗？" })
        .then(() => {
          store.dispatch("cart/deleteCart", skuId).then(() => {
            Toast({ text: "删除成功", type: "success" });
          });
        })
        .catch((e) => {
          // console.log('取消');
        });
    };
    //批量删除、删除无效
    const batchDeleteCart = (i) => {
      Confirm({
        text: i
          ? "您确定从购物车删除失效商品吗？"
          : "您确定从购物车删除选中商品吗？",
      })
        .then(() => {
          store.dispatch("cart/batchDeleteCart", i).then(() => {
            Toast({ text: "删除成功", type: "success" });
          });
        })
        .catch((e) => {
          // console.log('取消');
        });
    };
    //改数量
    const updateCount = (skuId, count) => {
      store.dispatch("cart/updateCart", { skuId, count });
    };
    //改sku
    const changeCartSku = (oldSkuId, newSku) => {
      //这还要拿老的skuid，不然信息不够，新的sku只有一小部分信息
      store.dispatch("cart/changeCartSku", { oldSkuId, newSku });
    };

    //结算
    const router = useRouter();
    const checkout = () => {
      //判断是否有商品
      //登录,导航守卫拦截
      if (store.getters["cart/selectedList"].length === 0) {
        return Toast({ text: "请至少选择一件商品" });
      }
      if (!store.state.user.profile.token) {
        Confirm({ text: "下单结算前请登录，确认登录？" })
          .then(() => {
            router.push("/member/checkout");
          })
          .catch((e) => {});
      } else {
        router.push("/member/checkout");
      }
    };
    return {
      checkOne,
      checkAll,
      deletedGoods,
      batchDeleteCart,
      updateCount,
      changeCartSku,
      checkout,
    };
  },
};
</script>
<style scoped lang="less">
.tc {
  text-align: center;
  .xtx-numbox {
    margin: 0 auto;
    width: 120px;
  }
}
.red {
  color: @priceColor;
}
.green {
  color: @xtxColor;
}
.f16 {
  font-size: 16px;
}
.goods {
  display: flex;
  align-items: center;
  img {
    width: 100px;
    height: 100px;
  }
  > div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;
    .attr {
      font-size: 14px;
      color: #999;
    }
  }
}
.action {
  display: flex;
  background: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;
  .xtx-checkbox {
    color: #999;
  }
  .batch {
    a {
      margin-left: 20px;
    }
  }
  .red {
    font-size: 18px;
    margin-right: 20px;
    font-weight: bold;
  }
}
.tit {
  color: #666;
  font-size: 16px;
  font-weight: normal;
  line-height: 50px;
}
.xtx-cart-page {
  .cart {
    background: #fff;
    color: #666;
    table {
      border-spacing: 0;
      border-collapse: collapse;
      line-height: 24px;
      th,
      td {
        padding: 10px;
        border-bottom: 1px solid #f5f5f5;
        &:first-child {
          text-align: left;
          padding-left: 30px;
          color: #999;
        }
      }
      th {
        font-size: 16px;
        font-weight: normal;
        line-height: 50px;
      }
    }
  }
}
</style>